auto update not working in windows xp

Error 0x80004015 This class is configured to run as a securityID different from the caller.


Solution:
Windows Update Agent fails to install with ITMU Microsoft Updates Tool.

WSUS: Automatic Update Client call recorder fails to init with Error 0x80004015


Execmgr.log:
Script for Package:, Program: Windows Update Agent x86 failed with exit code 1053



SYMPTOMS
You see the following error in WindowsUpdate.log and Automatic Update Client fails to update using Windows Server Update Service, WSUS

2005-09-26 08:10:27 1724 ac4 Agent FATAL: Client call recorder fails to init with error 0x80004015
2005-09-26 08:10:27 1724 ac4 Agent * FATAL: Failed to initialize with error 0x80004015 from component Agent
2005-09-26 08:10:27 1724 ac4 Service FATAL: Failed to initialize WU client: 0x80004015
2005-09-26 08:10:27 1724 ac4 Service *********
2005-09-26 08:10:27 1724 ac4 Service ** END ** Service: Service exit [Exit code = 0x80004015]

CAUSE
Error 0x80004015 translates to CO_E_WRONG_SERVER_IDENTITY which means, "The class is configured to run as a security id different from the caller."

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RESOLUTION
This is due to lack of permissions for Automatic Update Client. Reset the permissions of the Automatic Updates Service on the clients with error 0x80004015 and then force the update detection.

To reset the permissions, run the following commands;

1. SC sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)

http://support.microsoft.com/kb/555462